static int
yaml_parser_load_mapping(yaml_parser_t *parser, yaml_event_t *first_event)
{
yaml_event_t event;
yaml_node_t node;
struct {
yaml_node_pair_t *start;
yaml_node_pair_t *end;
yaml_node_pair_t *top;
} pairs = { NULL, NULL, NULL };
int index;
yaml_node_pair_t pair;
yaml_char_t *tag = first_event->data.mapping_start.tag;
if (!tag || strcmp((char *)tag, "!") == 0) {
yaml_free(tag);
tag = yaml_strdup((yaml_char_t *)YAML_DEFAULT_MAPPING_TAG);
if (!tag) goto error;
}
if (!STACK_INIT(parser, pairs, INITIAL_STACK_SIZE)) goto error;
MAPPING_NODE_INIT(node, tag, pairs.start, pairs.end,
first_event->data.mapping_start.style,
first_event->start_mark, first_event->end_mark);
if (!PUSH(parser, parser->document->nodes, node)) goto error;
index = (int) (parser->document->nodes.top - parser->document->nodes.start);
if (!yaml_parser_register_anchor(parser, index,
first_event->data.mapping_start.anchor)) return 0;
if (!yaml_parser_parse(parser, &event)) return 0;
while (event.type != YAML_MAPPING_END_EVENT) {
pair.key = yaml_parser_load_node(parser, &event);
if (!pair.key) return 0;
if (!yaml_parser_parse(parser, &event)) return 0;
pair.value = yaml_parser_load_node(parser, &event);
if (!pair.value) return 0;
if (!PUSH(parser,
parser->document->nodes.start[index-1].data.mapping.pairs,
pair)) return 0;
if (!yaml_parser_parse(parser, &event)) return 0;
}
parser->document->nodes.start[index-1].end_mark = event.end_mark;
return index;
error:
yaml_free(tag);
yaml_free(first_event->data.mapping_start.anchor);
return 0;
}
yaml_document_add_mapping(yaml_document_t *document,
yaml_char_t *tag, yaml_mapping_style_t style)
{
struct {
yaml_error_type_t error;
} context;
yaml_mark_t mark = { 0, 0, 0 };
yaml_char_t *tag_copy = NULL;
struct {
yaml_node_pair_t *start;
yaml_node_pair_t *end;
yaml_node_pair_t *top;
} pairs = { NULL, NULL, NULL };
yaml_node_t node;
assert(document); /* Non-NULL document object is expected. */
if (!tag) {
tag = (yaml_char_t *)YAML_DEFAULT_MAPPING_TAG;
}
if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error;
tag_copy = yaml_strdup(tag);
if (!tag_copy) goto error;
if (!STACK_INIT(&context, pairs, INITIAL_STACK_SIZE)) goto error;
MAPPING_NODE_INIT(node, tag_copy, pairs.start, pairs.end,
style, mark, mark);
if (!PUSH(&context, document->nodes, node)) goto error;
return document->nodes.top - document->nodes.start;
error:
STACK_DEL(&context, pairs);
yaml_free(tag_copy);
return 0;
}